Secchi heliopyrometer by L. Casella,1866

Secchi heliopyrometer by L. Casella, London, England, 1871-1880

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Secchi heliopyrometer by L. Casella, London, England, 1871-1880
Science Museum Group
© The Board of Trustees of the Science Museum

Secchi heliopyrometer by L. Casella, London, England, 1871-1880

Details

Category:
Meteorology
Object Number:
1893-146
Materials:
brass, glass and mercury
Measurements:
overall (not including base): 40 x 26 x 7.4 cm
type:
heliopyrometer
credit:
Casella, Louis Paschal